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SAMPLE INFO : UA1100
Sample ID:UA1100
Station ID:Little_Montauk
Latitude:65.104
Longitude:-141.417
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Tephra sample from within 2 m of the surface. Within inorganic silt, below a ~1 m thick organic-rich silt. Up to 1 cm thick, with a sharp lower contact and diffuse upper contact. Tephra is continuous across the section until it is obscured by colluvium.

References:
The variegated (VT) tephra: A new regional marker for middle to late marine isotope stage 5 across Yukon and Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialCoeffSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-majorsREF majorsMETH majorsFe2O3/Fe203T origFeO/FeOT origVolatiles csvMETH volatilesCsRbBaSrLaCePrNdSmEuGdTbDyHoErTmYbLuYZrNbHfTaPbThUScVCrFeCoNiCuZnGaMoAsNaKRef trace1METH trace1RbBaSrLaCeNdSmEuGdDyErYbLuYZrNbPbThUScTiVCrNiCuZnGaRef trace2METH trace2Light csvHalogen csvother major csvother lile csvother ree csvother hfse csvother hpe csvother tm csvother misc csv
Little_Montauk65.104-141.417Unknown, Unknown 106000 ± 10000 TL; 7423; Age is approximate. Average age of two infrared stimulated luminescence ages on loess bracketing VT tephra at Halfway House.Little Montauk, Alaska. Series of loess bluffs on a 60-m-high bedrock terrace. Coordinates from Jensen and others (2011). Datum not specified, assumed to be NAD83. Tephra sample from within 2 m of the surface. Within inorganic silt, below a ~1 m thick organic-rich silt. Up to 1 cm thick, with a sharp lower contact and diffuse upper contact. Tephra is continuous across the section until it is obscured by colluvium. UA1100Tephra FallCumulateGlass 70.11 0.59 14.87 3.34 0.11 0.74 2.63 4.57 2.88 7423EMP3.34Cl=0.16; H2O=2.77EMP

SAMPLE LOCATION

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